spc分析实例

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1、SPC分析实例收集数据绘制解析用控制图控制用控制图绘制直方图稳定状态满足规格去除异常原因检讨5M1E各方面提升过程能力计算Pp,Ppk(辅助参考变异是否常态分布)YesNoYesNoSPC分析实例SPC分析实例EngineeringSpecification工程規格productspc2.70正公差Tolerence+2.72負公差Tolerence-2.68*因为要增加一个CC尺寸，工程师请现场品管每30分种取5Pcs样品，共取了11组做好标识，送测量室测量，用来确认该产品的过程能力CC12345678910112

2、.7002.7042.7002.7022.7052.6852.6892.6872.6902.6922.6862.6972.6832.7002.7012.7042.7012.6962.6862.6882.6962.7032.6902.6842.6972.6972.7082.6982.6982.6902.6912.6892.6942.6982.6892.7012.6932.7012.6952.7042.7022.6912.7022.6872.7012.6902.6992.6952.7042.6992.7042.7012.

3、7002.7012.689*测量室按品管标识的顺序，对样品进行了测量，测量结果都是的合格的；除此以外，这些数据还隐藏着哪些有用的信息？SPC分析实例序1234567891011X12.7002.7042.7002.7022.7052.6852.6892.6872.6902.6922.686X22.6972.6832.7002.7012.7042.7012.6962.6862.6882.6962.703X32.6902.6842.6972.6972.7082.6982.6982.6902.6912.6892.694X4

4、2.6982.6892.7012.6932.7012.6952.7042.7022.6912.7022.687X52.7012.6902.6992.6952.7042.6992.7042.7012.7002.7012.689X2.69592.69592.69592.69592.69592.69592.69592.69592.69592.69592.6959Xi-X0.00410.00810.00410.00610.0091-0.0109-0.0069-0.0089-0.0059-0.0039-0.0099Xi-X0.

5、0011-0.01290.00410.00510.00810.00510.0001-0.0099-0.00790.00010.0071Xi-X-0.0059-0.01190.00110.00110.01210.00210.0021-0.0059-0.0049-0.0069-0.0019Xi-X0.0021-0.00690.0051-0.00290.0051-0.00090.00810.0061-0.00490.0061-0.0089Xi-X0.0051-0.00590.0031-0.00090.00810.00310

6、.00810.00510.00410.0051-0.0069(Xi-X)20.000016440.000064880.000016440.000036660.000081980.000119800.000048240.000080020.000035350.000015570.00009891(Xi-X)20.000001110.000167580.000016440.000025550.000064880.000025550.000000000.000098910.000063130.000000000.00004

7、977(Xi-X)20.000035350.000142690.000001110.000001110.000145310.000004220.000004220.000035350.000024460.000048240.00000378(Xi-X)20.000004220.000048240.000025550.000008680.000025550.000000890.000064880.000036660.000024460.000036660.00008002(Xi-X)20.000025550.00003

8、5350.000009330.000000890.000064880.000009330.000064880.000025550.000016440.000025550.00004824Σ(Xi-X)20.002255Σ(Xi-X)20.000042σ0.0064619标准差(StandardDeviation)是一组数值自平均值分散开来的程度